The area of a circle in terms of the circle's radius 
is
Differentiating both sides with respect to
, you get
Differentiating both sides with respect to
What's 20 x 12? I NEED HELP
2 answers:
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Answer:
Step-by-step explanation:
Let the number be x;
The product of 4 and the number will be;
The the square of the number is given as;
Taking the difference of both expressions above;
Factor out the common term:
Hence the difference between the product of 4 and a number and the square of the number is